233381925 has 48 divisors (see below), whose sum is σ = 489988480. Its totient is φ = 106686720.

The previous prime is 233381909. The next prime is 233381927. The reversal of 233381925 is 529183332.

It is not a de Polignac number, because 233381925 - 2⁴ = 233381909 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 233381925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233381927) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19972 + ... + 29421.

Almost surely, 2^233381925 is an apocalyptic number.

233381925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

233381925 is an abundant number, since it is smaller than the sum of its proper divisors (256606555).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

233381925 is a wasteful number, since it uses less digits than its factorization.

233381925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49419 (or 49408 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 233381925 is about 15276.8427693683. The cubic root of 233381925 is about 615.6809827383.

The spelling of 233381925 in words is "two hundred thirty-three million, three hundred eighty-one thousand, nine hundred twenty-five".